4 * Copyright (c) 2012 Atmel Corporation. All rights reserved.
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10 * Redistribution and use in source and binary forms, with or without
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11 * modification, are permitted provided that the following conditions are met:
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13 * 1. Redistributions of source code must retain the above copyright notice,
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14 * this list of conditions and the following disclaimer.
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16 * 2. Redistributions in binary form must reproduce the above copyright notice,
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17 * this list of conditions and the following disclaimer in the documentation
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18 * and/or other materials provided with the distribution.
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20 * 3. The name of Atmel may not be used to endorse or promote products derived
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21 * from this software without specific prior written permission.
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23 * 4. This software may only be redistributed and used in connection with an
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24 * Atmel microcontroller product.
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26 * THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
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27 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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28 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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29 * EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR
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30 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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34 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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35 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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36 * POSSIBILITY OF SUCH DAMAGE.
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42 #ifndef _SAM3S8_RTT_COMPONENT_
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43 #define _SAM3S8_RTT_COMPONENT_
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45 /* ============================================================================= */
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46 /** SOFTWARE API DEFINITION FOR Real-time Timer */
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47 /* ============================================================================= */
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48 /** \addtogroup SAM3S8_RTT Real-time Timer */
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51 #if !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
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52 /** \brief Rtt hardware registers */
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54 RwReg RTT_MR; /**< \brief (Rtt Offset: 0x00) Mode Register */
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55 RwReg RTT_AR; /**< \brief (Rtt Offset: 0x04) Alarm Register */
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56 RoReg RTT_VR; /**< \brief (Rtt Offset: 0x08) Value Register */
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57 RoReg RTT_SR; /**< \brief (Rtt Offset: 0x0C) Status Register */
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59 #endif /* !(defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
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60 /* -------- RTT_MR : (RTT Offset: 0x00) Mode Register -------- */
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61 #define RTT_MR_RTPRES_Pos 0
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62 #define RTT_MR_RTPRES_Msk (0xffffu << RTT_MR_RTPRES_Pos) /**< \brief (RTT_MR) Real-time Timer Prescaler Value */
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63 #define RTT_MR_RTPRES(value) ((RTT_MR_RTPRES_Msk & ((value) << RTT_MR_RTPRES_Pos)))
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64 #define RTT_MR_ALMIEN (0x1u << 16) /**< \brief (RTT_MR) Alarm Interrupt Enable */
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65 #define RTT_MR_RTTINCIEN (0x1u << 17) /**< \brief (RTT_MR) Real-time Timer Increment Interrupt Enable */
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66 #define RTT_MR_RTTRST (0x1u << 18) /**< \brief (RTT_MR) Real-time Timer Restart */
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67 #define RTT_MR_RTTDIS (0x1u << 20) /**< \brief (RTT_MR) Real-time Timer Disable */
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68 #define RTT_MR_RTC1HZ (0x1u << 24) /**< \brief (RTT_MR) Real-Time Clock 1Hz Clock Selection */
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69 /* -------- RTT_AR : (RTT Offset: 0x04) Alarm Register -------- */
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70 #define RTT_AR_ALMV_Pos 0
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71 #define RTT_AR_ALMV_Msk (0xffffffffu << RTT_AR_ALMV_Pos) /**< \brief (RTT_AR) Alarm Value */
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72 #define RTT_AR_ALMV(value) ((RTT_AR_ALMV_Msk & ((value) << RTT_AR_ALMV_Pos)))
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73 /* -------- RTT_VR : (RTT Offset: 0x08) Value Register -------- */
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74 #define RTT_VR_CRTV_Pos 0
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75 #define RTT_VR_CRTV_Msk (0xffffffffu << RTT_VR_CRTV_Pos) /**< \brief (RTT_VR) Current Real-time Value */
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76 /* -------- RTT_SR : (RTT Offset: 0x0C) Status Register -------- */
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77 #define RTT_SR_ALMS (0x1u << 0) /**< \brief (RTT_SR) Real-time Alarm Status */
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78 #define RTT_SR_RTTINC (0x1u << 1) /**< \brief (RTT_SR) Real-time Timer Increment */
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83 #endif /* _SAM3S8_RTT_COMPONENT_ */
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